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Add 18/4 and 25/81

1st number: 4 2/4, 2nd number: 25/81

18/4 + 25/81 is 779/162.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 81 is 324

    Next, find the equivalent fraction of both fractional numbers with denominator 324
  2. For the 1st fraction, since 4 × 81 = 324,
    18/4 = 18 × 81/4 × 81 = 1458/324
  3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
    25/81 = 25 × 4/81 × 4 = 100/324
  4. Add the two like fractions:
    1458/324 + 100/324 = 1458 + 100/324 = 1558/324
  5. 1558/324 simplified gives 779/162
  6. So, 18/4 + 25/81 = 779/162
    In mixed form: 4131/162

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